.container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: linear-gradient(135deg, rgba(0, 58, 111, 0.75) 0%, rgba(64, 158, 255, 0.85) 100%),
    url('https://img.alicdn.com/imgextra/i2/O1CN01pBxPTf1G6qM6Vba02_!!6000000000529-2-tps-2880-1800.png')
      center/cover no-repeat;
}

.card {
  width: 100%;
  max-width: 420px;
  border-radius: 12px !important;
  box-shadow: 0 18px 48px rgba(17, 41, 76, 0.24);
  border: none !important;
}

.title {
  text-align: center;
  margin-bottom: 8px !important;
  color: #1f2d3d !important;
}

.subtitle {
  text-align: center;
  color: #909399 !important;
  margin-bottom: 24px !important;
}

.alert {
  margin-bottom: 16px;
}

.form {
  width: 100%;
}

.submitButton {
  margin-top: 8px;
  height: 40px;
  font-size: 16px;
}



